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60 lines
1.9 KiB
Markdown
60 lines
1.9 KiB
Markdown
# Board - BeeRotor F4
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## Features
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* STM32F405 CPU
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* Integrated Accelerometer/Gyro MPU6050 via SPI bus
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* Barometer BMP280
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* 8 motor outputs
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* 3 UART ports (UART1, UART2, UART3)
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* External SPI bus
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* UART2 and UART3 are equipped with inverter
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* SD Card slot for logging
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* LED connector
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* Buzzer connector
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* Integrated OSD
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## Currently **NOT** supported
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* inverter on UART3
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* IR transmitter output
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## Radio Receivers
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SerialRX, PPM and MSP receivers are supported.
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SerialRX and PPM receivers should be connected to dedicated _PPM SBUS_ pin on the _RX_ connector. MSP receivers should be connected to one of UARTs configured as MSP.
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## USB
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This board uses STM32 VCP and _not_ utilizes UART when USB is connected. STM32 VCP drivers might be required!
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Flashing requires DFU mode and STM32 DFU drivers. Use [Zadig](http://zadig.akeo.ie) tool to install WinUSB driver on Windows.
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## Buzzer / Beeper
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5V piezo buzzer should be connected directly to dedicated pins _BUZ +_ and _BUZ -_. No additional hardware is required.
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## RSSI monitoring
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* Use the dedicated _RSSI_ pin on the _RX_ connector.
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* 3.3V tolerant, do not supply 5V
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## Current monitoring
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* Use the dedicated _SI_ pin on the _PDB_ connector, or the _SI_ pad on the board.
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* 3.3V tolerant, do not supply 5V
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## Voltage monitoring
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* Use the dedicated _SI_ pin on the _PDB_ connector, or the _SV_ pad on the board.
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* 3.3V tolerant, do not supply 5V
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* _SV_ pin on the _PDB_ connector does not have a voltage divider. It requires a voltage divider on the PDB, or the board will be destroyed! (The _SV_ pad on the board has a voltage divider, use this if your board doesn't.)
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## LED Strip
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* Use the dedicated _LED_ pin on the LED / buzzer connector.
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